Question

If the sum of zeroes of polynomials 7x^2-px+1 is 9 then find p

Answer 1

$\huge\underline\red{Sum\:of\:the\:</p><p>zeroes\::-}$

=> 9

• sum of the zeroes = -cofficient of x)/cofficient of x²
• 9 = p/7
• p = 9 × 7
• p = 63

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