" 36."x^(4)+(4)/(x^(4))

If 3x - (1)/(2x) = 3 , then find the value of (36x^(4) + 1)/(4x^(2)) .

Factorise : 36x^(4) - 84x^(2)y^(2) +49y^(4)

Find the sum of series 4 - 9x + 16 x^(2) - 25 x^(3) + 36 x^(4) - 49 x^(5) + ...oo

Find the sum of series 4 - 9x + 16 x^(2) - 25 x^(3) + 36 x^(4) - 49 x^(5) + ...oo

Find the sum of series 4 - 9x + 16 x^(2) - 25 x^(3) + 36 x^(4) - 49 x^(5) + ...oo

Factorize each of the following expressions: 36l^(2)-(m+n)^(2)(2)25x^(4)y^(4)-1a^(4)-(1)/(b^(4))(4)x^(3)-144x(x-4y)^(2)-625(6)9(a-b)^(2)-100(x-y)^(2)

If x=3 and y=-1, find the values of each of the using identity: (9y^(2)-4x^(2))(81y^(4)+36x^(2)y^(2)+16x^(4))

If x=-2 and y=1, by using an identity find the value: (4y^(2)-9x^(2))(16y^(4)+36x^(2)y^(2)+81x^(4))

What is the HCF of 36(3x^(4)+5x^(3)-2x^(2)) , 9(6x^(3)+4x^(2)-2x),54(27 x^(4)-x) ?