7+3√5÷7-3√5 please find the value
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Answer:
44.41 (on evaluation)
Step-by-step explanation:
(7+3root5) / (7-3root5)
We will rationalise this first.
So it will become-
(7+3root5)*(7+3root5) / (7-3root5)*(7+3root5)
= (49+45+42root5) / (49-45)
= (94 + 42root5) / 4
Taking common,
= 42 (2+root5) / 4
= 21 (2+root5) / 2
This can be the answer but if we evaluate further, we will get,
= 21 (2+2.23) / 2 ( Root 5 = 2.23 )
= 21 (4.23) / 2
= 44.41
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