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प्रश्न
Factorise the expression.
am2 + bm2 + bn2 + an2
योग
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उत्तर
am2 + bm2 + bn2 + an2
= m2(a + b) + n2(a + b)
= (a + b) (m2 + n2)
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अध्याय 12: Factorisation - EXERCISE 12.2 [पृष्ठ १५१]
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