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41 questions · 8 auto-graded MCQ + 33 self-marked written.

Question 81 Mark
$(a b+b c)^b-b a b^b c$ को सरल करने पर प्राप्त होगा-
Answer
(a)
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Question 151 Mark
$-c m$ को $\left(-m^b+b n\right)$ से गुणा करने पर प्राप्त होगा-
Answer
(b)
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Question 171 Mark
$(\mathrm{a}+\mathrm{b})(\mathrm{a}-\mathrm{b})$ का गुणनखण्ड होगा-
Answer
(d)
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MCQ 341 Mark
$x^2-y^2$ का सही मान है
  • A
    $(x+y)(x+y)$
  • $(x+y)(x-y)$
  • C
    $(x-y)\left(x^2-y^2\right)$
  • D
    $(x-y)(x-y)$
Answer
Correct option: B.
$(x+y)(x-y)$
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MCQ 351 Mark
$4 x^2+8 x y+4 y^2$ का गुणनखण्ड है
  • $(2 x+2 y)^2$
  • B
    $(2 x-2 y)^2$
  • C
    $(2 x+y)^2$
  • D
    $(x+2 y)$
Answer
Correct option: A.
$(2 x+2 y)^2$
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MCQ 361 Mark
$2 x^3+x^2+2 x+1$ का गुणनखण्ड है
  • $(2 x+1)\left(x^2+1\right)$
  • B
    $\left(x^2+2\right)(x+1)$
  • C
    $(x+2)\left(x^2+1\right)$
  • D
    $\left(x^2+1\right)(x+1)$
Answer
Correct option: A.
$(2 x+1)\left(x^2+1\right)$
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MCQ 371 Mark
$6x + 18xy$ का सार्वगुणनखण्ड है
  • A
    $y$
  • B
    $6y$
  • $6x$
  • D
    $xy$
Answer
Correct option: C.
$6x$
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MCQ 381 Mark
व्यंजन $(2 a-3)(2 a+3)$ का गुणनफल है
  • A
    $4 a^2+2 a+9$
  • $4 a^2-9$
  • C
    $4 a^2-6$
  • D
    $4 a^2-4 a+9$
Answer
Correct option: B.
$4 a^2-9$
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MCQ 391 Mark
$(6 x+1)$ का वर्ग है
  • A
    $36 x^2+1$
  • B
    $36 x^2+6 x+1$
  • C
    $36 x^2+6$
  • $36 x^2+12 x+1$
Answer
Correct option: D.
$36 x^2+12 x+1$
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MCQ 401 Mark
$(2 x+3)$ का वर्ग होगा
  • A
    $4 x^2+6 x+9$
  • B
    $4 x^2+2 x+9$
  • $4 x^2+12 x+9$
  • D
    $4 x^2+9$
Answer
Correct option: C.
$4 x^2+12 x+9$
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MCQ 411 Mark
सही सर्वसमिका है
  • A
    $(x+a)(x+b)=x+(a-b) x^2+a b$
  • $(x+a)(x+b)=x^2+(a+b) x+a b$
  • C
    $(x+a)(x+b)=x^2+(a-b) x-a b$
  • D
    $(x+a)(x+b)=x^2+(a) x-a b$
Answer
Correct option: B.
$(x+a)(x+b)=x^2+(a+b) x+a b$
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