NCERT Mathematics Class 10 Exemplar Ch 4 Quadratic Equations Part 3
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EXERCISE 4.3
1. Find the roots of the quadratic equations by using the quadratic formula in each of the following:
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
Answer: (i) (ii)
(iii) (iv)
(v) (vi)
(vii)
2. Find the roots of the following quadratic equations by the factorisation method:
(i)
(ii)
(iii)
(iv)
(v)
Answer: (i) (ii) (iii)
(iv) (v)