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RD SHARMA ENGLISH-ALGEBRAIC IDENTITIES-All Questions
- 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)(3b+1/2a)(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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- Write the following in expanded form: (9x+2y+z)^2 (ii) (3x+2y-z)^2...
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- Write the following in expanded form: (i)(9x+2y+z)^2 (ii) (3x+2y-...
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- Write the following in expanded form: (i)(1/4a-1/2b+1)^2 (ii) (-2...
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- Simplify: (a+b+c)^2+\ (a-b-c)^2
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- Simplify: (a+b+c)^2-(a-b-c)^2
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- If a^2+b^2+c^2=20 and a+b+c=0 , find a b+b c+c a
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- If a+b+c=9 and a b+b c+c a=40 , find a^2+b^2+c^2
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- If a^2+b^2+c^2=250 and a b+b c+c a=3 , find a+b+c
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- Write the following in the expanded form: (i)(a+2b+c)^2 (ii) (2a-...
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- Write the following in the expanded form: (-3x+y+z)^2 (ii) (m+2n-5...
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