Home
Class 7
MATHS
If a = 2, b = – 2, find the value of: a^...

If a = 2, b = – 2, find the value of:
`a^2 + b^2`

Text Solution

Verified by Experts

The correct Answer is:
8
Promotional Banner

Topper's Solved these Questions

  • ALGEBRAIC EXPRESSIONS

    NAND LAL PUBLICATION|Exercise EXERCISE 12.4|4 Videos

  • ALGEBRAIC EXPRESSIONS

    NAND LAL PUBLICATION|Exercise ADDITIONAL QUESTIONS OR PRACTICE (OBJECTIVE TYPE QUESTIONS) FILL IN THE BLANKS|6 Videos

  • ALGEBRAIC EXPRESSIONS

    NAND LAL PUBLICATION|Exercise EXERCISE 12.2|29 Videos

  • EXPONENTS AND POWERS

    NAND LAL PUBLICATION|Exercise SAMPLE PAPER FOR PRACTICE |8 Videos

Similar Questions

Explore conceptually related problems

If a = 2, b = – 2, find the value of: a^2 + ab + b^2

If a = 2, b = -3 then find the value of (a/(b))^(b)

If a = 2, b = -3 then find the value of (b/(a))^(b)

If a = 2, b = -3 then find the value of (a/(b))^(a)

If a = 2, b = -3 then find the value of (b/(a))^(a)

If a+ b + c = 12 and ab + bc + ca= 47 , find the value of a^2 + b^2 + c^2 .

When a = 0, b = – 1, find the value of the given expressions 2a^2b + 2ab^2 + ab

When a = 0, b = – 1, find the value of the given expressions 2a^2 + b^2 + 1

When a = 0, b = – 1, find the value of the given expressions 2a + 2b

If [(a+4, 3b),(8 , -6)] = [(2a+2, b^2 +2), (8, b^2 - 5b)] , find the values of a and b.

NAND LAL PUBLICATION-ALGEBRAIC EXPRESSIONS -EXERCISE 12.3
  1. Find the value of the following expressions, when x = –1: x^2 + 2x + 1

    Text Solution

    |

  2. Find the value of the following expressions, when x = –1: 2x^2 – x – 2

    Text Solution

    |

  3. If a = 2, b = – 2, find the value of: a^2 + b^2

    Text Solution

    |

  4. If a = 2, b = – 2, find the value of: a^2 + ab + b^2

    Text Solution

    |

  5. If a=2,b=-2 find the value of a^(2)-b^(2)

    Text Solution

    |

  6. When a = 0, b = – 1, find the value of the given expressions 2a + 2b

    Text Solution

    |

  7. When a = 0, b = – 1, find the value of the given expressions 2a^2 + b^...

    Text Solution

    |

  8. When a = 0, b = – 1, find the value of the given expressions 2a^2b + 2...

    Text Solution

    |

  9. When a = 0, b = – 1, find the value of the given expressions a^2 + ab ...

    Text Solution

    |

  10. Simplify the expressions and find the value if x is equal to 2 x + 7 +...

    Text Solution

    |

  11. Simplify the expressions and find the value if x is equal to 2 3 (x +...

    Text Solution

    |

  12. Simplify the expressions and find the value if x is equal to 2 6x + 5 ...

    Text Solution

    |

  13. Simplify the expressions and find the value if x is equal to 2 4(2x – ...

    Text Solution

    |

  14. Simplify these expressions and find their values if x = 3, a = – 1, b ...

    Text Solution

    |

  15. Simplify these expressions and find their values if x = 3, a = – 1, b ...

    Text Solution

    |

  16. Simplify these expressions and find their values if x = 3, a = – 1, b ...

    Text Solution

    |

  17. Simplify these expressions and find their values if x = 3, a = – 1, b ...

    Text Solution

    |

  18. Simplify these expressions and find their values if x = 3, a = – 1, b ...

    Text Solution

    |

  19. If z = 10, find the value of z^3 – 3(z – 10).

    Text Solution

    |

  20. If p = – 10, find the value of p^2 – 2p – 100

    Text Solution

    |