If x= 1/ 5–2√3 and y= 1/ 5+2√3 find the value of 5xy.
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Answered by
1
Step-by-step explanation:
5×[(1/5-2√3)×(1/5+2√3)]
Now apply the formula
(a+b)(a-b)=a²-b²
So,5×[(1/5)²-(2√3)²]
5×1/25-4x3
-11.8
Answered by
1
Step-by-step explanation:
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