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प्रश्न
(–7)–4 × (–7)2 = (–7)–2
विकल्प
True
False
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उत्तर
This statement is True.
Explanation:
LHS = (–7)–4 × (–7)2
Using law of exponents,
am × an = (a)m + n ...[∵ a is non-zero integer]
∴ (–7)–4 × (–7)2 = (–7)–4 + 2
= (–7)–2
LHS = RHS
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