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प्रश्न
Find the value of a, if 8a = 352 – 272
उत्तर
We have,
8a = 352 – 272
⇒ 8a = (35 + 27)(35 – 27) ...[Using the identity, a2 – b2 = (a + b)(a – b)]
⇒ 8a = 62 × 8
⇒ `a = (62 xx 8)/8`
⇒ a = 62
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