( - 1) x ( - 1) x ( - 1) x …..(2020 times) = ……….
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Answer:
(-1)*(-1)*(-1)*.....(2020 times)
= (-1)²⁰²⁰
= {(-1)²}¹⁰¹⁰
={1}¹⁰¹⁰
=1
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