Question

√2 + √(2–2√10) is equal to ..

Answer 1

Answer:

1.643

Step-by-step explanation:

root 2 + root 2(1-root 10)

=root 2 [1+(1-root 10)]

=root 2 [1+1-root 10]

=root 2[2- root 10]

=root 2 [2-3.162]

=1.414*1.162

=1.643

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