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प्रश्न
Evaluate : (3−2x) (3+2x) (9+4x2)
योग
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उत्तर
(3−2x) (3+2x) (9+4x2)
= [{3}2−(2x)2] (9+4x2)
= (9−4x2) (9+4x2)
= (9)2 − (4x2)2
= 81 − 16x4
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Product of Sum and Difference of Two Terms
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