" (ii) "{(a+1,b+2):a in N,a<5" añt "b<6}

If the points A(m ,-1),\ B(2,1)a n d\ C(4,5) are collinear find the value of mdot

The mean of first n odd natural number is (a) (n+1)/2 (b) n/2 (c) n (d) n^2

The mean of first n odd natural number is (a) (n+1)/2 (b) n/2 (c) n (d) n^2

If y=x^n , then the ratio of relative errors in y and x is (a) 1:1 (b) 2:1 (c) 1:n (d) n:1

If y=tan^(-1)((2^x)/(1+2^(2x+1))),t h e n(dy)/(dx)a tx=0 is (a)1 (b) 2 (c) 1n 2 (d) none of these

If (sin^4 theta)/a+ (cos^4 theta)/b= 1/(a+b) , prove that (sin^(4n) theta)/a^(2n-1)+ (cos^(4n) theta)/b^(2n-1)= 1/(a+b)^(2n-1), n in N .

If y=x^(n), then the ratio of relative errors in y and x is (a)1:1 (b) 2:1 (c) 1:n (d) n:1

If b_(1),b_(2),b_(3),"….."b_(n) are positive then the least value of (b_(1) + b_(2) +b _(3) + "….." + b_(n)) ((1)/(b_(1)) + (1)/(b_(2)) + "….." +(1)/(b_(n))) is

Write a general polynomial q(z) of degree n with coefficients that are b_(0),b_(1),b_(2), . . .. N_(n) , What are the conditions on b_(0),b_(1),b_(2), . . .. B_(n) ?