" Q6.If "y=1-x+(x^(2))/(21)-(x^(3))/(y!)+(x^(4))/(4)-cdots oo," then wite "d^(2)y/dx^(2)" in terms of "y" ."

If y=1-x+(x^(2))/(2!)-(x^(3))/(3!)+(x^(4))/(4!)longrightarrow oo then write (d^(2)y)/(dx^(2)) in terms of y

If y=1-x+(x^2)/(2!)-(x^3)/(3!)+(x^4)/(4!)dotto\ oo , then write (d^2y)/(dx^2) in terms of y .

If y = 1 - x +(x^(2))/(2!) - (x^(3))/(3!) + (x^(4))/(4!) - ..., " then" (d^(2) y)/(dx^(2)) is equal to

If y = 1 - x +(x^(2))/(2!) - (x^(3))/(3!) + (x^(4))/(4!) - ..., " then" (d^(2) y)/(dx^(2)) is equal to

If y= 1+ x + (x^2)/( 2!) + (x^3)/( 3!) + (x^4)/(4!) +…. to oo , show that (dy)/( dx) = y .

If 2x-1/(3x)=y then 9x^2+1/(4x^2) in terms of y is

If x-(x^(2))/(2)+(x^(3))/(3)+(x^(4))/(4)+.... to oo=y then y+(y^(2))/(2!)+(y^(3))/(3!)+....+ to oo is equal to

If x^(2)y=2x-y then y^(2)+(y^(4))/(2)+(y^(6))/(3)+…oo=