" 7."x sqrt(1+2x^(2))

If f (x)=((x+1)^(7)sqrt(1+x ^(2)))/((x^(2) -x+1)^(6)), then the value of f'(0) is equal to:

If f (x)=((x+1)^(7)sqrt(1+x ^(2)))/((x^(2) -x+1)^(6)), then the value of f'(0) is equal to:

Simplify : (x+sqrt(x^(2)-1))^(7) + (x-sqrt(x^(2)-1))^(7)

underset(x to oo)(Lt)(""^(7)sqrt(x^(7)-1)+""^(5)sqrt(x^(5)+2)+""^(9)sqrt(x^(9)-2))/(""^(6)sqrt(x^(6)+1)+""^(7)sqrt(x^(7)+1)-""^(4)sqrt(x^(4)+2))=

Solve sqrt(7-2x-x^(2))=x+1

sqrt(3x^(2)-7x-30)-sqrt(2x^(2)-7x-5)=x-5

If n be the degree of the polynomial sqrt(3x^(2)+1){(x+sqrt(3x^(2)+1))^(7)-(x-sqrt(3x^(2)+1))^(7)} then n is divisible by

lim_ (x rarr oo) (sqrt (3x ^ (2) +1) -sqrt (2x ^ (2) -3x + 5)) / (7x + 2) =