`(b-7)^2` is equal to

((-2)/5)^7-:((-2)/5)^5 is equal to (a) 4/(25) (b) (-4)/(25) (c) ((-2)/5)^(12) (d) (25)/4

(2/3)^(-5)x\ (5/7)^(-5) is equal to (a) (2/3x5/7)^(-10) (b) (2/3x5/7)^(-5) (c) (2/3x5/7)^(25) (d) (2/3x5/7)^(-25)

If the value of definite integral int_(0)^(2)(ax +b)/((x^(2)+5x+6)^(2))dx is equal to (7)/(30) , then find the value of ((a^(2)+b^(2)))/(2) .

If A=sin((2pi)/7)+sin((4pi)/7)+sin((8pi)/7) and B=cos((2pi)/7)+cos((4pi)/7)+cos((8pi)/7) then sqrt(A^2+B^2) is equal to

(2)/(3!)+(4)/(5!)+(6)/(7!)+ ..is equal to

lim_(x to 2) (x^(7) - 128)/(x - 2) is equal to

The eccentricity of the ellipse 12x^(2)+7y^(2)=84 is equal to

intdx/((2x-7)sqrt(x^2-7x+12) is equal to

|-|-7|-3| is equal to (a) -7 (b) 7 (c) 10 (d) -10

7/(100) is equal to (a)7.1 (b) 7.01 (c) 0.7 (d) 0.07