If \sqrt5 =2.236, then find the value of \sqrt5 /2 -10/\sqrt 5 +\sqrt 125.

Powers and Roots Practice Test 2

Question : 11 of 40

Marks: +1, -0

√5 =2.236

, then find the value of

√5 /2 -10/√ 5 +√ 125

Solution:

√5 =2.236

(Given)
Then,

√5 /2 -10/√ 5 +√ 125

=√5 /2 -10/√ 5 ×√ 5/√5+5√5

=7/2√5=7/2×2.236=7.826

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