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Answered

Without solving, determine the nature of roots of each of the following equations:

(a) 7x^2 - 9x + 2 = 0

(b) 6x^2 - 13x + 4 = 0

(c) 25x^2 - 10x + 1 = 0

(d) x^2 + 2√3x - 9 = 0

(e) x^2 - ax + b^2 = 0

(f) 2x^2 + 8x + 9 = 0

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Sagot :

GIANKARLLUMBIS8IN

a) 7x2 - 9x + 2 = 0

(b) 6x2 - 13x + 4 = 0

(c) 25x2 - 10x + 1 = 0

(d) x2 + 2√3 x - 9 = 0

(e) x2 - ax + b2 = 0

(f) 2x2 + 8x + 9 = 0

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