Standard Identities in Algebra

IMPORTANT

Standard Identities in Algebra: Overview

This topic covers concepts, such as, Identity in Algebra, Difference between an Equation and an Identity, Identity for Product (x+a)(x+b) & Understanding Relations Among Standard Identities in Algebra etc.

Important Questions on Standard Identities in Algebra

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If x-y2=4-4y+y2, then let's find the value of x.

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Write the expression which when added to a2+4 gives a whole number.

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Consider, the special case of identity (x+a)(x+b)=x2+(a+b)x+ab with b=-a, what do you get? Is it related to identity, a+ba-b=a2-b2?

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Consider, the special case of Identity (x+a)(x+b)=x2+(a+b)x+ab with a=-c and b=-c. What do you get? Is it related to Identity a-b2=a2-2ab+b2?

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Verify the identity, (x+a)(x+b)=x2+(a+b)x+ab, for a=2,b=3,x=5.

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If two expressions are equal for all the values of same parameter, then the statement of equality between the two expressions is called an identity.

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Check whether given one is identity or equation?

a+b2=a2+2ab+b2

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The product of 43x2+343x2+3 is 169x4+8x2+k. Find k.

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(a+b)2=ak+2ab+bk

The value of k is _____.

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Using the identity (x+a)(x+b)=x2+x(a+b)+ab. If the product of (8+pq)(pq+7) p2q2+kpq+56, find the value of k.

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If x+122=ax2+1b+cx, find a+b+c.

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Expand by using identity.

If 7m-42=am2+b+cm, find a+b+c.