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प्रश्न
Factorise the following:
p² – 6p – 16
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उत्तर
Product = – 16, sum = – 6
Split the middle term as – 8p and 2p
p² – 6p – 16 = p² – 8p + 2p – 16
= p(p – 8) + 2(p – 8)
= (p – 8)(p + 2)
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