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Find the products: (i)(2x+3y)\ (2x-3y) ...

Find the products:
(i)`(2x+3y)\ (2x-3y)`
(ii) `(x-1)(x+1)(x^2+1)(x^4+1)`

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RD SHARMA ENGLISH-ALGEBRAIC IDENTITIES-All Questions
  1. Expand each of the following (i)(sqrt(2)x-3y)^2 (ii) (2x-1/(3x))^2

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  2. Expand each of the following (i)(x/2-y/3)^2 (ii) (x+5)(x-3)

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  3. Find the products: (i)(2x+3y)\ (2x-3y) (ii) (x-1)(x+1)(x^2+1)(x^4+1...

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  4. Find the products: (x-1/x)\ (x+1/x)(x^2+1/(x^2))\ (x^4+1/(x^4))

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  5. Find the products: (i) (2x+y)(2x-y)(4x^2+y^2) (ii) (x-y/5-1)\ (x+y/...

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  6. Evaluate each of the following by using identities: (i)103\ xx\ 97 ...

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  7. Evaluate each of the following by using identities: (i)(0. 99)^2 ...

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  8. Evaluate each of the following by using identities: (i)0. 54\ xx\ 0....

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  9. Evaluate each of the following by using identities: (i)95\ xx\ 96 ...

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  10. If x+1/x=6, find : x^2+\ 1//x^2

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  11. If x+1/x=6, find : x^4+1/(x^4)

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  12. If x^2+1/(x^2)=27 , find the value of each of the following: x+1/x

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  13. If x^2+1/(x^2)=27 , find the value of each of the following: x-1/x

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  14. If x+y=12 and x y=32 , find the value of x^2+y^2

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  15. If 3x+2y=12 and x y=6 , find the value of 9x^2+4y^2

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  16. If 4x^2+y^2=40\ and x y=6 , find the value of 2x+y

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  17. Prove that: 2a^2+2b^2+2c^2-2a b-2b c-2c a=[(a-b)^2+(b-c)^2+(c-a)^2]

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  18. If : a^2+b^2+c^2-a b-b c-c a=0 , prove that a=b=c

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  19. Evaluate each of the following using identities: (i)(2x-1/x)^2 (ii...

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  20. Evaluate each of the following using identities: (i)(a^2b-b^2a)^2 ...

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