rationalise the denominator of root 7 - root 5 /root7 +root 5
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√7-√5 ×√7-√5. (√7-√5)²
----------------------- = --------------
√7+√5×√7-√5. (√7)²-(√5)²
7+5-70. - 58
--------–--= ------------
7-5. 2
-29
----------------------- = --------------
√7+√5×√7-√5. (√7)²-(√5)²
7+5-70. - 58
--------–--= ------------
7-5. 2
-29
Saurabhkhan:
2 -58 ke niche aayega
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