1.

In the following, determine whether the given quadratic equations have real roots and if so, find the roots:(i) 16x2 = 24x + 1(ii) x2 + x + 2 = 0(iii) 3x2+10x-83=0(iv) 3x2 − 2x + 2 = 0(v) 2x2-26x+3=0(vi) 3a2x2+8abx+4b2=0, a≠0(vii) 3x2+25x-5=0(viii) x2 − 2x + 1 = 0(ix) 2x2+53x+6=0(x) 2x2+7x+52=0(xi) 2x2-22x+1=0(xii) 3x2 − 5x + 2 = 0

Answer» In the following, determine whether the given quadratic equations have real roots and if so, find the roots:



(i) 16x2 = 24x + 1

(ii) x2 + x + 2 = 0

(iii) 3x2+10x-83=0

(iv) 3x2 − 2x + 2 = 0

(v) 2x2-26x+3=0

(vi) 3a2x2+8abx+4b2=0, a0

(vii) 3x2+25x-5=0

(viii) x2 − 2x + 1 = 0

(ix) 2x2+53x+6=0

(x) 2x2+7x+52=0

(xi) 2x2-22x+1=0

(xii) 3x2 − 5x + 2 = 0


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