# Ex 4.1 – Quadratic Equation (Full Exercise Solution + Video) MATHS – NCERT | Class 10

By | 27th December 2018

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

##### Ex 4.1 – Quadratic Equation (Full Exercise Solution + Video) NCERT | Explained In Hindi

###### Q1. 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

Solutions For Question Number 1 Is In The Video Below (Explained In Hindi) :-

###### Q2. Represent the following situation in the form of quadratic equation:

(i) The area of a rectangular plot is 528 m2. The length of the plot (in meters) is one more than twice its breadth. We need to find the length and breadth of the plot.

(ii) The product of two consecutive positive integers is 306. We need to find the integers.

(iii) Rohan’s mother is 26 years older than him. The product of their ages (in years) 3 years from now will be 360. We would like to find the Rohan’s age.

(iv) A train travels a distance of 480 km at a uniform speed. If the speed had been 8km/h less, then it would have taken 3 hours more to cover the same distance. We need to find the speed of the train.

Answer – Solutions For Question Number 2 Is In The Video Below (Explained In Hindi) :-

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