(-9x^2+y^3) (9x^2+y^3) using identity
Answers
Answered by
0
(-9x^2+y^3)(-9x^2+y^3)
=(-9x^2+y^3)^2
=[(-9x^2)^2+2×{-9x^2}×y^3+(y^3)^2]
=81x^4+(-18x^2 y^3)+y^6
=81x^4 - 18^2 y^3 +y^6
Similar questions