7 x 2½
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sqrt(98) = sqrt( 2 x 49(_ = sqrt(2) X sqrt(49) = sqrt(2) X 7 usually written as 7sqrt(2) (Surd form) Numerically the answer is 9,899494937.....
9.899494936611665It is: 7 times square root of 2± 9.899495
Expressed as a surd, sqrt(98) + sqrt(2) = 8 sqrt(2).
The square root of 9604 = 98. (98 x 98 = 9604)
The square root of 49 is 7, because 7 x 7 = 49