Question

Which of the following is not a quadratic equation –

(a)3x2 – 5x + 9 , (b) x + 1/x = 9 , (c) x2 – 9x , (d) x3 – 2x + 5.​

Answer 1

Answer:

according to me the option b is correct...

u refer ur book for a better result

Answer 2

Answer:

Quadratic polynomial means the polynomial having power 2

in option d x3 -2x+5is not a quadrat polynomial

(D)is the answer

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