Expand the following using suitable Iden...

Expand the following using suitable Identities : `(-2x + 5y -3z)^2`.

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The correct Answer is:

`4x^(2)+25y^(2)+9z^(2)-20xy-30yz+12zx`

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NAND LAL PUBLICATION-POLYNOMIALS-EXERCISE 2.5

Expand the following using suitable Identities : (-2x + 3y + 2z)^2.
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Expand the following using suitable Identities : (3a-7b-c)^2.
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Expand the following using suitable Identities : (-2x + 5y -3z)^2.
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Expand each of the following, using suitable identifies : [a-b+1]^2
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Factorise : 4x^2+9y^2+16z^2+12xy-24yz-16xz.
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Factorise : 2x^2+y^2+8z^2-2sqrt2xy+4sqrt2yz-8xz.
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Write the following cube in expanded : (2x+1)^3.
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Write the following cube in expanded : (2a-3b)^3.
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Write the following cubes in expanded form: [3x+1]^3
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Write the following cube in expanded : [x-2/3y]^3.
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Evaluate the following using suitable identity : (99)^3.
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Evaluate the following using suitable identity : (102)^3.
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Evaluate the following using suitable identity : (998)^3.
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Factorise the following : 8a^3+b^3+12a^2b+6ab^2.
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Factorise each of the following: 8a^3- b^3-12a^2b + 6ab^2
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Factorise the following : 27-125a^3-135a+225a^2.
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Factorise the following : 64a^3-27b^3-144a^2b+108ab^2.
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Factorise the following : 27p^3-1/216-9/2p^2+1/4p.
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Verify : x^3+y^3=(x+y)(x^2-xy+y^2).
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Verify : x^3-y^3=(x-y)(x^2+xy+y^2).
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