Rationalise 1÷√7−2
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Answers
Answered by
1
Answer:
multiply this no by root of 7+2 on both denominator and numerator
Step-by-step explanation:
Cleon:
you will get toor of 7+2 divided by 7+2+9
ANSWER WILL BE ROOT OF 7+2 DIVIDED BY 9
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Answered by
1
= 1/√7-2
=(1/√7-2) (√7+2/√7+2)
=√7+2/(√7)^2 -(√2)^2
= √7+2 /7-4
=√7+2/3
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