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RD SHARMA-ALGEBRAIC IDENTITIES-All Questions
- Evaluate each of the following using identities: (i)991 xx 1009 (ii) 1...
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- Simplify each of the following: 175 xx 175+2 xx 175 xx 25+25 xx 25
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- Simplify each of the following: 322 × 322−2 × 322 × 22+22 × 22
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- Simplify each of the following: 0. 76 xx 0. 76+2xx 0. 76 xx 0. 24+0. 2...
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- Simplify each of the following: (7. 83 xx 7. 83-1. 17 xx 1. 17)/(6. 66...
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- If x+1/x=11 , find the value of x^2+1/(x^2)
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- If x-1/x= -1, find the value of x^2+1/(x^2)
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- If x+1/x=sqrt(5) , find the values of x^2+1/(x^2) and x^4+1/(x^4)
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- If x^2+1/(x^2)=66 , find the value of x-1/x
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- If x^2+1/(x^2)=79 , find the value of x+1/x
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- If 9x^2+25 y^2=181\ \ a n d\ x y\ =\ -6, find the value of 3x+5y
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- If 2x+3y=8 and x y=2 , find the value of 4x^2+9y^2
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- If 3x-7y=10 and x y=-1, find the value of 9x^2+49 y^2
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- Simplify each of the products: (1/2a-3b)(1/2a+3b)(1/4a^2+9b^2)
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- Simplify each of the products: (m+n/7)^3 (m-n/7)
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- Simplify each of the products: (x/2-2/5)(2/5-x/2)-x^2+2x
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- Simplify each of the products: (x^2+x-2)(x^2-x+2)
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- Simplify each of the products: (x^3-3x^2-x)(x^2-3x+1)
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- Simplify each of the products: (2x^4-4x^2+1)(2x^4-4x^2-1)
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- Prove that a^2+b^2+c^2-a b-b c-c a is always non-negative for all valu...
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