10th std maths part1
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Answer:
b2 - 4ac = 4² - 4x1x-5
= 16 +20
= 36
Answered by
0
Answer:
a = 1
b = 4
c = -5
b^2 - 4ac = 4^2 - 4×1×(-5)
= 16 - (-20)
= 16 + 20
= 36
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