InterviewSolution
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InterviewSolution
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(√5+3)(√5-3) |
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Answer» =(√5+3)(√5−3)=(√5)²-(3)² {a²-b² formula}=5-9=-4 ans. It is to multiply u have division or is it division 3+✓5 / 3 - ✓5=> 3 + ✓5 / 3 - ✓5 × 3 + ✓5/ 3 + ✓5=> ( 3 + ✓5) ( 3 + ✓5) / ( 3 - ✓5) ( 3 + ✓5)=> ( 3 + ✓5)² / (3)² - ( ✓5)²=> (3)² + ( ✓5)² + 2 × 3 × ✓5 / 9 -5=> 9 + 5 + 6✓5 / 4=> 14 + 6✓5/4=> 2 ( 7 + 3✓5 ) /4=> 7 + 3✓5/2 5-9=-4 |
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