CBSE /Class 8
Maths MCQ Based On Applying identities
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CBSE Class 8 Maths Applying identities
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Use the identity \\(x^2-y^2=(x+y)(x-y)\\)
Use the identities: \\((a+b)^2 = a^2+2ab+b^2\\) and \\((a-b)^2 = a^2-2ab+b^2\\)
Use the identity \\((a^2-b^2)=(a+b)(a-b)\\)
Use the identity: \\(a^2-b^2=(a+b)(a-b)\\)
Here, \\((930)^2 = (1,000 - 70)^2\\)
Use the identities: \\((a+b)^2 = a^2+2ab+b^2\\) and \\((a-b)^2 = a^2-2ab+b^2\\)
Firstly find the value of \\((x^2+\\frac{1}{x^2})\\) and then proceed further.
Use the identity \\((x-y)^2 = x^2 -2xy +y^2\\)
Use the identity: \\(a^2 - b^2 = (a+b)(a-b)\\)
Use the identity: \\((a+b)^2=a^2+2ab+b^2\\)
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