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CBSE Class 10 Answered

If 'a' and 'b' are the zeroes of the quadratic polynomial x²-3x+2 .find the value of 1 ¹/a² + 1 ¹/b²  
Asked by vharadharajharshitha | 08 Oct, 2020, 07:44: AM
answered-by-expert Expert Answer
x squared minus 3 x plus 2 equals 0 x squared minus 2 x minus x plus 2 equals 0 x left parenthesis x minus 2 right parenthesis minus 1 left parenthesis x minus 2 right parenthesis equals 0 left parenthesis x minus 2 right parenthesis left parenthesis x minus 1 right parenthesis equals 0 x equals 1 comma x equals 2 l e t s space s a y space a equals 1 space a n d space b equals 2 1 over a squared plus 1 over b squared equals 1 over 1 squared plus 1 over 2 squared equals 5 over 4
Answered by Utkarsh Lokhande | 20 Oct, 2020, 05:30: AM

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CBSE 10 - Maths
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