If x-2 is a factor of x2-m x-14- then m-a 7b 2c 9d 14

As is a factor of Therefore, Hence, the correct option is (c). ...

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Factorisation of Quadratic Polynomials- Middle Term Splitting

If x+2 is a f...

Question

If x + 2 is a factor of x² + mx + 14, then m =
(a) 7
(b) 2
(c) 9
(d) 14

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If x + 2 is a factor of $x^{2}$ + mx + 14, then m =

x^{2} + p x + q

x^{2} + m x + n

m

n

f (x) = 2 x^{3} + m x^{2} + n x - 14

(x - 1)

2^{- m} \times \frac{1}{2^{m}} = \frac{1}{4},

\frac{1}{14} \{(4^{m})^{1 / 2} + {(\frac{1}{5^{m}})}^{- 1}\}

\frac{1}{2}

- \frac{1}{4}

f (x) = 2 x^{3} + m x^{2} + n x - 14

(x - 1)

(x + 2)

\frac{m}{n}

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