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प्रश्न
Multiply:
(4x + 5y) × (9x + 7y)
योग
उत्तर
(4x + 5y) × (9x + 7y)
= 4x(9x + 7y) + 5y(9x + 7y)
= 4x × 9x + 4x × 7y + 5y × 9x + 5y × 7y
= 36x2 + 28xy + 45xy + 35y2
= 36x2 + 73xy + 35y2
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Multiplication of Algebraic Expressions
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
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