Algebra Practice Question and Answer

Q:

यदि x4+2x3+ax2+bx+9 एक पूर्ण वर्ग है जहाँ a तथा b धनात्मक वास्तविक संख्या है तो a और b का मान क्या होगा ? 

1334 0

  • 1
    a = 5, b = 6
    Correct
    Wrong
  • 2
    a = 6, b = 7
    Correct
    Wrong
  • 3
    a = 7, b = 7
    Correct
    Wrong
  • 4
    a = 7, b = 8
    Correct
    Wrong
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Answer : 2. "a = 6, b = 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।

1329 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:

यदिx  = 2  है तो का $$ x^3 + 27x^2 + 243x + 631$$ मान है।

1320 0

  • 1
    1211
    Correct
    Wrong
  • 2
    1231
    Correct
    Wrong
  • 3
    1233
    Correct
    Wrong
  • 4
    1321
    Correct
    Wrong
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Answer : 3. "1233"

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

1311 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"

Q:

यदि x+y+z=22  तथा  xy+yz+zx=35,  हैं, तो (x-y)2 +(y-z)2+(z-x)का मान क्या है?

1310 0

  • 1
    793
    Correct
    Wrong
  • 2
    681
    Correct
    Wrong
  • 3
    758
    Correct
    Wrong
  • 4
    715
    Correct
    Wrong
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Answer : 3. "758"

Q:

यदि $${3-5x\over 2x}+{3-5y\over 2y}+{3-5z\over 2z}=0$$ है, तो $${2\over x}+{2\over y}+{2\over z}$$ का मान ज्ञात करें।

1306 0

  • 1
    20
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 2. "10"

Q:

a और b का मान ज्ञात करे यदि (x-1) और (x+1), x4+ax3-3x2+2x+b के गुणनखंड हैं ।

1295 0

  • 1
    -2, 2
    Correct
    Wrong
  • 2
    1, -1
    Correct
    Wrong
  • 3
    2, -1
    Correct
    Wrong
  • 4
    -2, 1
    Correct
    Wrong
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Answer : 1. "-2, 2"

Q:

यदि p + m = 6 और p3 + m3 = 72 , तो pm का मान क्या है ? 

1291 0

  • 1
    12
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 2. "8 "

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