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Mathematics

The multiplicative inverse of (80+50)(80−50)(8^0 + 5^0)(8^0 - 5^0) is:

  1. 0

  2. 49

  3. 1

  4. undefined

Exponents

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Answer

(80+50)(80−50)=(1+1)(1−1)=2×0=0(8^0 + 5^0)(8^0 - 5^0)\\[1em] = (1 + 1)(1 - 1)\\[1em] = 2 \times 0\\[1em] = 0

The multiplicative inverse of 0 = 10\dfrac{1}{0}

And as we know 10\dfrac{1}{0} is not defined.

Hence, option 4 is the correct option.

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