Expand : (3x+7y)^(3)...

Expand :
`(3x+7y)^(3)`

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Verified by Experts

The correct Answer is:

`27x^(3) + 343y^(3) + 189x^(2)y + 441xy^(2)`

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KUMAR PRAKASHAN-POLYNOMIALS-Skill Testing Exercise

Expand : (4x-y)^(3)
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Expand : ((1)/(2)a-(1)/(4)b)^(3)
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Expand : (3x+7y)^(3)
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Evaluate each of the following using proper identity : 82 xx 85
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Evaluate each of the following using proper identity : 51 xx 57
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Evaluate each of the following using proper identity : 66 xx 74
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Evaluate each of the following using proper identity : 97 xx 103
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Evaluate each of the following using proper identity : (72)^(2)
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Evaluate each of the following using proper identity : (98)^(2)
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Evaluate each of the following using proper identity : (41)^(3)
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Evaluate each of the following using proper identity : (103)^(3)
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Evaluate each of the following using proper identity : (123)^(3)
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Evaluate each of the following using proper identity : (79)^(3)
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Factorise : 64 x^(2) - 81y^(2)
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Factorise : 9x^(2) - 30xy + 25y^(2)
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Factorise : (1)/(9)a^(2) - (1)/(49)b^(2)
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Factorise : 49x^(2) + 28xy + 4y^(2)
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Factorise : 4x^(2) + 9y^(2) + z^(2) + 12xy - 6yz - 4zx
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Factorise : x^(2) + 4y^(2) + 25z^(2) - 4xy + 20 yz - 10 zx
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Factories : 121x^(2) -2 89
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