Square Roots Questions Practice Question and Answer

Q:

┬а $${{1}\over 1+\sqrt { 2} + \sqrt { 3}}+{{1}\over 1-\sqrt { 2} + \sqrt { 3}} $$ рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

913 0

  • 1
    $$\sqrt { 2}$$
    Correct
    Wrong
  • 2
    $$\sqrt { 3}$$
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    $$\left( {4}\sqrt { 3}+ \sqrt { 2}\right)$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "$$\sqrt { 2}$$"

Q:

рдирд┐рдореНрдирд▓рд┐рдЦрд┐рдд рджреНрд╡рд┐рдШрд╛рдд рд╕рдореАрдХрд░рдгреЛрдВ рдореЗрдВ рд╕реЗ рдХрд┐рд╕рдХреЗ рд╡рд╛рд╕реНрддрд╡рд┐рдХ рдореВрд▓ рд╣реИрдВ?

841 0

  • 1
    4x2┬а- 7x + 5 = 0
    Correct
    Wrong
  • 2
    5x2 - 11x + 7 = 0
    Correct
    Wrong
  • 3
    5x2 - 11x + 8 = 0
    Correct
    Wrong
  • 4
    2x2 - 7x + 5 = 0
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "2x2 - 7x + 5 = 0"

Q:

тИЪ6+тИЪ6+тИЪ6+тАж рдмрд░рд╛рдмрд░ рд╣реИ тАУ

804 0

  • 1
    2
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "3"
Explanation :

Let тИЪ6+тИЪ6+тИЪ6+тАж. be x.

We know x =тИЪ6+x

We know x2 = 6+x

We know x2 - x тАУ 6 = 0

We know (x-3) (x+2) = 0

We know x = 3

Q:

(272┬▓ - 128┬▓) рдХрд╛ рд╡рд░реНрдЧрдореВрд▓ рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдПред

791 0

  • 1
    25
    Correct
    Wrong
  • 2
    41
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    рдХреЛрдИ рднреА рдирд╣реАрдВ
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "рдХреЛрдИ рднреА рдирд╣реАрдВ"

Q:

рджрд┐рдпрд╛ рдЧрдпрд╛ рд╣реИ рдХрд┐┬атИЪ4096 = 64, рддреЛ ┬атИЪ4096 + тИЪ40.96 +тИЪ0.004096 рдХрд╛ рдорд╛рди рд╣реИ-

785 0

  • 1
    70.4
    Correct
    Wrong
  • 2
    70.464
    Correct
    Wrong
  • 3
    71.104
    Correct
    Wrong
  • 4
    71.4
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "70.464"
Explanation :

рджрд┐рдпрд╛ рдЧрдпрд╛ = тИЪ4096 + тИЪ40.96 +тИЪ0.004096

= 64 + 6.4 + 0.064

= 70.464

Q:

тИЪ60+тИЪ10+тИЪ36=?

771 0

  • 1
    56
    Correct
    Wrong
  • 2
    88
    Correct
    Wrong
  • 3
    45
    Correct
    Wrong
  • 4
    рдХреЛрдИ рднреА рдирд╣реАрдВ
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "рдХреЛрдИ рднреА рдирд╣реАрдВ"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully