Question

1.
Check whether the following are quadratic equations
i (x + 1)² = 2(x-3)​

Answer 1

Answer:

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Answer 2

(i) Given,

(x + 1)2 = 2(x – 3)

By using the formula for (a+b)2 = a2+2ab+b2

⇒ x2 + 2x + 1 = 2x – 6

⇒ x2 + 7 = 0

Since the above equation is in the form of ax2 + bx + c = 0.

Therefore, the given equation is quadratic equation.