Question 60

In the following question, state whether the statement is True (T) or False (F):

$(a - b)^{2} = a^{2} - b^{2}$

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Solution

False
We have,
$(a - b)^{2} = a^{2} + b^{2} - 2 a b$
[an algebraic identity]

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(a-b)^2 Expansion and Visualisation

Standard VII Mathematics

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Question 60 In the following question, state whether the statement is True (T) or False (F): ​​​​​​​(a−b)2=a2−b2

False We have, (a−b)2=a2+b2−2ab [an algebraic identity]

Question 60

In the following question, state whether the statement is True (T) or False (F):

$(a - b)^{2} = a^{2} - b^{2}$

False
We have,
$(a - b)^{2} = a^{2} + b^{2} - 2 a b$
[an algebraic identity]