Simplify by rationalizing the denominator 1+√7/1-√7
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Answered by
1
Hey
Here is ur answer.
1+root7/1-root7 = (1+root7)2/1 -7
= 1 +7 + 2root7/ -6. = 8 +2root7/-6
Here is ur answer.
1+root7/1-root7 = (1+root7)2/1 -7
= 1 +7 + 2root7/ -6. = 8 +2root7/-6
Answered by
1
1+√7/1-√7
1+√7×1+√7/1-√7×1+√7
[1+√7]²/1²-[√7]²
1²+2[1][√7]+[√7]²/1-7
1+2√7+7/-6
8+2√7/-6
the denominator is rationalised
1+√7×1+√7/1-√7×1+√7
[1+√7]²/1²-[√7]²
1²+2[1][√7]+[√7]²/1-7
1+2√7+7/-6
8+2√7/-6
the denominator is rationalised
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