Question

Which of the following are quadratic equations

(i) (P + 1) (P + 2) (P+4) (ii) (x + 2)(square)= 7
(iii) k +2/5 - 5 = 0 (iv) M(square)– 1 = 0
(v) (x – 3)(cube) + 4 = 0​

Answer 1

(ii) (x+2)²=7

(iv) M²-1 = 0

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