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RD SHARMA ENGLISH-ALGEBRAIC IDENTITIES-All Questions
- If x^2+1/(x^2)=98 , find the value of x^3+1/(x^3)
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- If 2x+3y=13 and x y=6 , find the value of 8x^3+27\ y^3
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- If 3x-2y=11 and x y=12 , find the value of 27\ x^3-8y^3
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- If x^4+1/(x^4)=119 , find the value of x^3-1/(x^3)
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- Evaluate each of the following: (i) (103)^3 (ii) (98)^3 (iii) (9...
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- Evaluate each of the following: (10. 4)^3 (ii) (598)^3 (iii) (...
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- Evaluate each of the following: (i)111^3-\ 89^3 (ii) 46^3+34^3
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- Evaluate each of the following: (i)104^3+\ 96^3 (ii) 93^3-\ 107^3
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- If x+1/x=3, calculate x^2+1/(x^2),\ x^3+1/(x^3) and x^4+1/(x^4)
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- If x^4+1/(x^4)=194 ,\ find x^3+1/(x^3),\ x^2+1/(x^2) and x+1/x
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- Find the value of 27 x^3+\ 8y^3, if (i)3x+2y=14 and x y=8 (ii)3x+2y=2...
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- Find the value of 64 x^3-\ 125 z^3, if 4x-5z=16 and x z=12
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- If x-1/x=3+2sqrt(2) , find the value of x^3-\ 1/(x^3)
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- Find the products: (x+3y)(x^2-\ 3x y+9y^2)
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- Find the products: (7a-5b)(49 a^2+35 a b+25 b^2)
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- Find the product: (0. 9 x+0. 7 y)(0. 81 x^2-0. 63 x y+0.49 y^2)
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- Find the following products: (9x+2y)(2x-3y+7)
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- Simplify : 7x^3 +8y^3- (4x+3y)(16x^2-12xy+9y^2)
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- Simplify: (6m-n)(6m+n)
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- If a+b=7 and a b=12 , find the value of (a^2-a b+b^2)
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