Q3 of 81 Page 153

Let us show that,

Given:

√98 + √8-2√32 = √2


Take L.H.S. = √98 + √8-2√32


It can be written as:


√(2×7×7) + √(2×2×2)-2√(2×2×2×2×2)


= 7√2 + 2√2-8√2


= 9√2-8√2


= √2 = R.H.S.


Hence, L.H.S. = R.H.S.


More from this chapter

All 81 →
1

Let us write the following numbers in the form of product of rational and irrational numbers.

 2

Let us prove that,

4

Let us show that,

5

Let us simplify :