For all x, `(x + 4)(x-5) = ?`

For all x, (2x +5)^2(-3x + 7)= ?

If f(x+y)=f(x). f(y) for all x and y and f(5)=2, f'(0)=4, then f '(5) will be

For all x gt 5, (5x^2-x^3)/(x^2-x- 20) = ?

If f(x+y)=f(x)f(y) for all x,yinR and f(5)=4 and f'(0)=2 , then find f'(5)

If 1+x^(4)+x^(5)=sum_(i=0)^(5)a_(i)(1+x)^(i), for all x in R, then a_(2) is :

If f((x)/(y))=(f(x))/(f(y)) for all x, y in R, y ne 0 and f'(x) exists for all x, f(2) = 4. Then, f(5) is

If f((x)/(y))=(f(x))/(f(y)) for all x, y in R, y ne 0 and f'(x) exists for all x, f(2) = 4. Then, f(5) is

If 1+x^(4)+x^(5)=sum_(i=0)^(5)a_(i)(1+x)^(i) for all x""inR , then a_(4) is equal to ________

If 1+x^(4)-x^(5)=sum_(i=0)^(5)a_(i)(1+x)^(i) for all x""inR , then a_(2) is equal to ________