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ICSE Class 9 Answered

x⁴-14x²+1
Asked by diprabandyopadhyay | 27 Apr, 2022, 08:25: PM
Expert Answer
Steps
1. space space substitute space straight x squared equals straight t
2. space use space quadratic space formula space straight t equals fraction numerator negative straight b plus-or-minus square root of straight b squared minus 4 ac end root over denominator 2 straight a end fraction
3. space resubstitute space straight t space equals space straight x squared
4. space take space square space root
Answered by Arun | 28 Apr, 2022, 08:14: AM
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