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Syllabus

4x 5y = 20 to the circle x

^{2}+ y^{2}= 9 is(A) 20(x

^{2}+ y^{2}) 36x + 45y = 0 (B) 20(x^{2}+ y^{2}) + 36x 45y = 0(C) 36(x

^{2}+ y^{2}) 20x + 45y = 0 (D) 36(x^{2}+ y^{2}) + 20x 45y = 0What Is a proof for midpoint theorem ?

A} 62

B}52

C}46

D}42

4+7+2 = 281435

7+3+9 = 212781

6+2+7 = 121456

8+4+6 = .............

and explain it

47.The function f : [0, 3] [1, 29], defined by f(x) = 2x^{3}15x^{2}+ 36x + 1, is(A) one-one and onto (B) onto but not one-one

(C) one-one but not onto (D) neither one-one nor onto

_{3})^{2}-2(log_{3}x)-5=0 .anand earns rs80 in 7 hours . parmod rs 90 in 12 hours ....find ratio of earning...plzz ans. in 2 min..

_{8}x + log_{4}y^{2}= 5 and log_{8}y + log_{4}x^{2}= 7 then the value of xy is equal to A2

B^{9}2

C^{12}2

[^{18}]CORRECT ANSIS (A)http://cbse.meritnation.com/study-online/ncert-solutions/math/11/5147/mathematical-reasoning/state-the-converse-and-contrapositive-of-e

in d 2nd bit y r v changing d sentence n thn writing converse n contra positive

B = 1+1 (0-1)

Then, which of the following statement is true.

a) A > B b) B < A c) A= B

What is the value of log(infinity) ?

Q). Write the truth value of compound statement. 5 + 4 = 9 or 8 + 4 = 12.

Vector equation of the plane passing through points A(a) , B(b) and parallel to the vector c is [ r b c] + [ r c a] = [ a b c] ........ prove this plz....? ? ? ? ?=30

Fill the boxes using

(1, 3, 5, 7, 9, 11, 13, 15)

U can also repeat the numbers.

This question came in UPSC Final Exams held in Dec 2013.

You will be glad to note that only Gaurav Agarwal (IAS Topper) could solve it.

Q.4. Find the square root of 98 correct to 3 decimal places.

A) 99

^{2 }B) 2^{99}_{0.5}log_{5}(x^{2}- 4) > log_{0.5}1 , then 'x' lies in which interval .2^{log16 to the base 5 . log x to the base 4 + log 5 to the base x root of 2}+ 5^{x}+ x^{log 4 to the base 3 + 5}+ x^{5}= 0(A)0

(B)1

(C)2

(D)3

Correct answer is (A) ..... plzgive the appropriate method and detailed steps solution .

If vector a=i(cap)+j(cap)+k(cap) and vector b= j(cap)-k(cap), find a vector c such that 'a' cross 'c' is vector b and 'a' dot 'c' is 3

i cant understand the last example (example 3). So kindly explain in a better way..

can i hav correct definition and eg to undersatand easily fast of above topics

a)26 (b)31 (c)39 (d) none of these

i have a question ..

Find the sum up to

nterms of the sequence:0.7, 0.77, 0.777,....

a man buys 3 cows and 8 goats in 47200. instead , if he would have bought 8 cows and 3 goats , he had to pay 53000 more. cost of one cow

_{3}M + 3 log_{3 }N = 1 + log_{0.008}5then,

1.) M

^{9 }= 9 / N2.) N

^{9 }= 9/ M3.)M

^{3}= 3/N4.) N

^{9}= 3/MWhich of the following is correct ?

The number N = 6 log

A_{10}2 + log_{10}31, lies between two successive integers whose sum is equal to5

B7

C9

[

]CORRECT ANS IS (B)_{a}b=2 ; log_{b}c=2 and log_{3}c=3+log_{3}a then (a+b+c) equals .... ?S434S0

What number must be sussitituted with S to make it divisible by 36?

Three blocks of masses m1=4kg m2=2kg and m3=4kg are connected with ideal strings over a smooth massless pulley. The acceleration of blocks will be what?? (g=10)

Pls answer by this night as i have my exams tomorrow morning by 7 am

Topic : Vectors

write the contrapositive of :

if a number is divisible by 9, then it is divisible by 3.

what is the

negationof the sentence “Rourkela is not an industrial area in Orissa”Pls answer by this night as i have my exams tomorrow morning by 7 am

Topic : Vectors

What is Euler's theorem?

consider the multiplication in decimal notation(999).(abc)=def132 determine the digits a,b,c,d,e,f

if root2 is an irrational number,then prove that root2+root3 is also an irrational number.

How to solve log(1+2+3)=log1+log2+log3

from where cn i study about tautology and fallacy for the upcoming jee mains

a train crosses two bridges of length 500m and 280m in 35 seconds and 24 seconds respectively. find the length of the train.

_{1-x}(x-2) is greater than equal to -1 is ???options) a)3,1 , b) -3,1,-1 , c)3,-3,0,1,-1 d) 3,-3,1,-1

plz help me with this with proper solution .

Find x if ABCD is a rectangle.

(Mathematical reasoning)

if a:b=c:d , prove that a square c+ a c square :b square d + b d square =(a + c)cube :( b +d)cube .

Peon-200, Clerk- 400, Cashier 500, Section officer-600 and Librarian 800. Using matrix notation, find (i) total number of posts of each kind in schools and colleges taken together, (i) the total monthly salary bill of all the schools and colleges taken together.

write the converse of the following statement ''if I slap you then you will cry''

A is the father of B and D is the son of C. E is the brother of A and E also has a daughter F. If C is the sister of A, then what is the relation between F, B and D?

a student obtained the mean n standaard deviation of 100 observation as 40 n 5.1 respectively it was later found that one observation was wrongly copied as 50 the correct figure being 40. find the correct mean and S.D.

PLZZZZZZZ HELP

^{log 7 to the base 3}= 27 ; b^{log 11 to the base 7}= 49 ;c

^{log 25 to the base 11}= (11)^{1/2}. The value of [ a^{(}^{log 7 to the base 3)whole squared}+ b^{(log 11 to the base 7)whole squared}+ c^{(log 25 to the base 11)whole squared}] equals .... ???

If x = 2

^{1/3}+ 2^{2/3}, then the value of x^{3}− 6x isQ3. Arusshi and Devesh are making a painting. Arushi can complete the painting in 30 minutes. Both Arushi and Devesh can complete the painting together in 20 minutes. They work together for 10 minutes and they have a quarrel. At this point, Arushi goes away. In how many minutes will Devesh finish the painting ?

can u say which type 1 mark q will be availiable from this leson

Note that they gave the starting population to be 10,000 with equal number of males and females.

Write the contrapositive of the following statement:

"If a number is divisible by 9, then it is divisible by 3".

simplify log 1.792*877.4/(129.7)

^{2/3}