The value of `[(4 1/2 + 2 1/4) / (4 1/2 - 2 1/4)]` is
A] 1
B] 2
C] 3
D] 4

The value of 4{ C_1 +4. C_2 +4^2 C_3 + ... +4^(n-1)} is

4 1/3-2 1/3= (a) 2 1/3 (b) 2 (c) 3 1/3 (d) 1/2

The value of "{"8^(-4/3)-:2^(-2)")"^(1/2) is (a) 1/2 (b) 2 (c) 1/4 (d) 4

The value of cos(1/2cos^(-1)(1/8)) is (a) 3/4 (b) -3/4 (c) 1/(16) (d) 1/4

The value of m for which [{(1/(7^2))^(-2)}^(1/3)]^(1/4)=7^m , is (a) 1/3 (b) 1/4 (c) -3\ (d) 2

If L= lim_(ntooo) (2xx3^(2)xx2^(3)xx3^(4)...xx2^(n-1)xx3^(n))^((1)/((n^(2)+1))) , then the value of L^(4) is _____________. (a) -1/4 (b) 1/2 (c) 1 (d) none of the above

Given the matrices A=[2 1 1 3-1 0 0 2 4] , B=[9 7-1 3 5 4 2 1 6] and C=[2-4 3 1-1 0 9 4 5] Verify that (A+B)+C=A+(B+C) .

The value of lim_(x->1)(1-sqrt(x))/((cos^(-1)x)^2) is 4 (b) 1/2 (c) 2 (d) 1/4

((144)^(1/2)+(256)^(1/2))/(3^2-2) = (A) 8 (B) 4 (C) -4 (D) -8

If A=[1-1 2-1] , B=[a1b-1] and (A+B)^2=A^2+B^2 , then values of a and b are a=4 , b=1 (b) a=1 , b=4 (c) a=0 , b=4 (d) a=2 , b=4