CTET 2 Math and Science Jan 2012 Paper

Question : 53 of 120

Marks: +1, -0

A student observed the following examples:

(10)^{2}=(5+5)^{2}=5^{2}+2(5)(5)+(5)^{2}=100

=(6+4)^{2}=6^{2}+2(6)(4)+(4)^{2}=100

=(8+2)^{2}=8^{2}+2(8)(2)+(2)^{2}=100

=(1+9)^{2}=1^{2}+2(1)(9)+(9)^{2}=100

The above method of drawing conclusions is

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