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State whether the following statements a...

State whether the following statements are true or false .
An equation is true for all the values of variables in it.

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The correct Answer is:
FALSE
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NAND LAL PUBLICATION-ALGEBRAIC EXPRESSIONS AND IDENTITIES -SAMPLE PAPER FOR PRACTICE
  1. Fill in the blank is an equality which is true for all the values o...

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  2. State whether the following statements are true or false . Numerical...

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  3. State whether the following statements are true or false . An equati...

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  4. State whether the following statements are true or false . (a -b) ^(...

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  5. State whether the following statements are true or false . In addit...

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  6. (5x + 2y) ( 5x - 2y) can be simplified using the identity. a. (x +b) ...

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  7. The number of like terms in the expression. -2 z ^(2) xy + 5 xz y ^(...

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  8. Area of the reactangle whose length is 3x ^(2) y ^(2) and breadth 2x ^...

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  9. The middle term of the expression (2a - 3b) ^(2) is

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  10. Construct the following polynomials A monomial with variable lmn

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  11. Construct the following polynomials A binomial with variable p and ...

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  12. Construct the following polynomials A trinomial with variable y

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  13. Construct the following polynomials Polynomial with four terms havi...

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  14. Solve the following identities and find the missing terms. 58 ^(2) -...

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  15. Solve the following identities and find the missing terms. (30 + 7) ...

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  16. Solve the following identities and find the missing terms. (6x - 5y)...

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  17. Solve the following identities and find the missing terms. (x + 7) ...

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  18. Find two monomials with positive integer coefficients whose product is...

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  19. Find two monomials with positive integer coefficients whose product is...

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  20. Evaluate 196 m ^(2) - 56 mn + 4n ^(2) . Using the identity, if m =1, n...

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