Solve : x^2 − 11x/4 + 15/8 = 0
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Answer:
3/2 & 5/4
Step-by-step explanation:
a = 1, b = -11/4, c = 15/8, D = 121/16 - 15/2
= 121 - 120/16 = 1/16
x = -b + rootD/2a x = -b - rootD/2a
= 11/4 + 1/4 /2 = 11/4 - 1/4 /2
= 12/4 /2 = 10/4 / 2
= 3/2 = 10/8
= 5/4
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