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प्रश्न
If log5 x = y, find 52y+ 3 in terms of x.
उत्तर
log5 x = y ...[ given ]
⇒ 5y = x
⇒ (5y)2 = x2
⇒ 52y = x2
⇒ 52y x 53 = x2 x 53
⇒ 52y + 3 = 125x2
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