Rationalise the denominator of 4
/
3-√7 with explanation
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Answer:
12+4√7/ 2
Step-by-step explanation:
4/3-√7
deniminator= (a-b) (a+b)
= a²-b²
= 4/3-√7 × (3+√7)
= 12+4√7/ 9-7
= 12+4√7/ 2
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