1.

If one of the zero of the polynomial x²+3x+k is 2 then the value of k is​

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\large\red{\sf{Question:-}}

If one of the zero of the polynomial x²+3x+k is 2 then the value of k is?

\large\red{\sf{Answer:-}}

Since 2 is one of the zero of the polynomial

{x}^{2}  + 3x + k

Therefore, putting value of x = 2 in the above equation, we get,

{2}^{2}  + 3(2) + k

=> 4 + 6+ k = 0

=> 10 + k = 0

=> k = -10.

Which is the required answer.

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