Question

Root of equation x²-78.8 lies between

Answer 1

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$\sf{ {x}^{2} - 78.8 = 0}$

$\sf {x}^{2} = 78.8$

$\sf x = \sqrt{78.8} = 8.8$

Answer 2

x2−78.8=0

78.8x2=78.8

8.8x=78.8=8.8