Math, asked by rathodanand77ar, 3 months ago

in Find the values of a and b from the quadratic equation 2x2 - 5 + 7 = 0
ill) Find X, if fixi = 252 and fi = 420,

Answers

Answered by 44Rithika

1

Answer:

Given 2x

2

−5x+7=0

The standard quadratic equation is ax

2

+bx+c=0

by comparing we get a=2,b=−5,c=−7

∴ a=2,b=

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