Algebra Question with answer Practice Question and Answer

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Answer : 2. "76"

Q:

यदि x+y=10  और xy=4 है ,तो x4+y4 का मान क्या है?

1304 0

  • 1
    8432
    Correct
    Wrong
  • 2
    8464
    Correct
    Wrong
  • 3
    7478
    Correct
    Wrong
  • 4
    6218
    Correct
    Wrong
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Answer : 1. "8432"

Q: यदि a2 + b2 + 64c2 + 16c + 3 = 2(a +b), है तो  4a7 + b7 + 8c2 का मान होगा— 1301 0

  • 1
    $$ {4{1\over 8}}$$
    Correct
    Wrong
  • 2
    $$ {5{1\over 8}}$$
    Correct
    Wrong
  • 3
    $$ {4{7\over 8}}$$
    Correct
    Wrong
  • 4
    $$ {3{1\over 8}}$$
    Correct
    Wrong
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Answer : 2. "$$ {5{1\over 8}}$$"

Q:

यदि x - y = 3 हो तो x- y3-9xy का मान क्या होगा ?  

1292 0

  • 1
    18
    Correct
    Wrong
  • 2
    27
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 2. "27 "

Q:

यदि a-6b = 3  है, तो a3-216b3-54ab का मान होगा ?

1283 0

  • 1
    27
    Correct
    Wrong
  • 2
    64
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 1. "27"

Q:

यदि $$ {x+{1\over{x}}}$$, है तो का $$ {x^2}+{1\over{x^2}}$$ मान होगा।

1282 0

  • 1
    9
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 2. "7"

Q:

यदि $$ {(x+{1 \over{x}})^{2}}=3$$,  है तो का $$  {x^{206}+x^{200}+x^{90}+x^{84}+x^{18}+x^{12}+x^{6}+1}$$ मान होगा।

1258 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    84
    Correct
    Wrong
  • 4
    206
    Correct
    Wrong
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Answer : 1. "0"

Q:

यदि दो वास्तविक अचरो a और b की लिए व्यंजक ax3+3x2-8x+b, (x+2) और (x-2) से पूर्णत: विभाजित है, तो

1226 0

  • 1
    a = 2, b = -12
    Correct
    Wrong
  • 2
    a = -2, b = 12
    Correct
    Wrong
  • 3
    a = 2, b = 12
    Correct
    Wrong
  • 4
    a = 12, b = 12
    Correct
    Wrong
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Answer : 1. "a = 2, b = -12"

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