Find the following:-
1). (7a^2b-3ab)(2ab+5ab^2-2a^2)
2). (-25x^5-xy)(-6x^2y+1)
please faltu answers naa krna...
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Step-by-step explanation:
1). (7a²b - 3ab)(2ab + 5ab² - 2a²)
= 7a²b(2ab + 5ab² - 2a²) - 3(2ab + 5ab² - 2a²)
= 14a³b² + 35a³b³ - 14a⁴b - 6ab - 15ab² + 6a²
= -14a⁴b + 35a³b³ + 14a³b² + 6a² - 6ab - 15ab²
2). (-25x⁵ - xy)(-6x²y + 1)
= -25x⁵(-6x²y + 1) - xy(-6x²y + 1)
= 150x⁷y - 25x⁵ + 6x³y² - xy
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