rationalise the denominator of unroot 5/2-root7
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HELLO MATE......
5/2÷ROOT 7
calculate this....
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Answered by
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Answer:
Step-by-step explanation:
5/2√7 * -2√7/-2√7
5(-2√7)/-(2√7)²
-10√7/-(4*7)
-10√7/-28
10√7/28
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