# Ex 4.1 – Quadratic Equation (Question No. 1) MATHS – NCERT | Explained In Hindi

By | 27th December 2018

SUBJECT – MATHS
CLASS – X (10th)
QUESTION FROM – Quadratic Equation (Exercise 4.1)
ALL EXTRA & IMPORTANT QUESTION ANSWER FOR 2019 EXAMS

###### 1. Check whether the following are quadratic equations :-

(i) (x+1)2=2(x–3)
(ii) x2–2x=(-2)(3–x)
(iii) (x–2)(x+1)=(x–1)(x+3)
(iv) (x–3)(2x+1)=x(x+5)
(v) (2x–1)(x–3)=(x+5)(x–1)
(vi) x2+3x+1=(x–2)2
(vii) (x+2)3=2x(x2–1)
(viii) x3–4×2–x+1=(x–2)3

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