Question

x²/2 +x-1 for x=4 is equal to ?
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Answer 1

Answer:

we have x = 4

so, $x^{2}$/2 + x - 1

or, 4 x 4/2 + 4 - 1

or, 16/2 + 4 - 1

or, 8 + 4 - 1

or, 12 - 1

or, 11 (answer)