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प्रश्न
Multiply the following:
–3x2y, (5y – xy)
योग
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उत्तर
We have,
–3x2y and (5y – xy)
∴ –3x2y × (5y – xy) = –3x2y × 5y + 3x2y × xy
= –15x2y2 + 3x3y2
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अध्याय 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २३०]
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