Algebra Practice Question and Answer
8 4 Q:
6053177a4999e13f2a6cac40 4 Q:
6051c545d3e3d30b29d9a4c8 4 Q:
602df5bb9f2a38430909a60e 4 Q:
602df5766d461f6639870f37 4 Q:
60225c16ad295556282a4122 4 Q:
6022641f2dc71d4148a153c6 4 Q:
60225a53ad295556282a1958 4 Q:
601a53c1552e5f41f7b07e71
Q: यदि $$ {8x\over{2x^{2}+7x-2}}=1, x>0,$$ है तो $$ {x^{3}+{1\over x^{3}}}$$ का मान क्या होगा?
798 06053177a4999e13f2a6cac40
6053177a4999e13f2a6cac40- 1$$ {3\over 8}{\sqrt{17}}$$false
- 2$$ {3\over 4}{\sqrt{17}}$$false
- 3$$ {5\over 8}{\sqrt{17}}$$true
- 4$$ {5\over 4}{\sqrt{17}}$$false
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Answer : 3. "$$ {5\over 8}{\sqrt{17}}$$"
Q: यदि $$ {x^{4}+x^{2}y^{2}+y^{4}={21\over256}}$$ और $$ {x^{2}+xy+y^{2}={3\over16}}$$ है तो तब $$ {2(x^{2}+y^{2})}=?$$ होगा।
670 06051c545d3e3d30b29d9a4c8
6051c545d3e3d30b29d9a4c8- 1$$ {3\over 8}$$false
- 2$$ {5\over 8}$$true
- 3$$ {3\over 4}$$false
- 4$$ {5\over 16 }$$false
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Answer : 2. "$$ {5\over 8}$$"
Q: यदि $$ {x+{1\over x}=7}$$ है तो $$ {x^{2}+{1\over {x^{2}}}=?}$$ का मान होगा?
643 0602df5bb9f2a38430909a60e
602df5bb9f2a38430909a60e- 147true
- 245false
- 349false
- 451false
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Answer : 1. "47"
Q: यदि $$ {\sqrt{2x+9}+x=13}$$ है तो x का मान होगा?
771 0602df5766d461f6639870f37
602df5766d461f6639870f37- 1-20false
- 280false
- 38true
- 4इनमें से कोई नहींfalse
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Answer : 3. "8"
Q: $$ {x^{8}+4\over{x^{4}+2x^{2}+2}}$$ बराबर है—
682 060225c16ad295556282a4122
60225c16ad295556282a4122- 1$$ {x^{4}+2x^{2}-2}$$false
- 2$$ {x^{4}-2x^{2}+2}$$true
- 3$$ {x^{4}-2x^{2}-2}$$false
- 4Can’t be simplifiedfalse
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Answer : 2. "$$ {x^{4}-2x^{2}+2}$$"
Q: यदि a=25, b=15 , c=-10 हो तो $$ {a^{3}+b^{3}+c^{3}-3abc\over {(a-b)^{2}+(b-c)^{2} +(c-a)^{2}}}$$ का मान ज्ञात करों?
689 06022641f2dc71d4148a153c6
6022641f2dc71d4148a153c6- 130false
- 2-15false
- 3-30false
- 415true
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Answer : 4. "15"
Q: यदि $$ {a={1+x\over 2-x}}$$, है, तो $$ {1\over {a+1}}+{2a+1\over{a^{2}-1}}$$ किसके बराबर होगा?
650 060225a53ad295556282a1958
60225a53ad295556282a1958- 1$$ {(1+x)(2+x)\over {2x-1}}$$false
- 2$$ {(1-x)(2-x)\over {x-1}}$$false
- 3$$ {(1+x)(2-x)\over {2x-1}}$$true
- 4$$ {(1+x)(2-x)\over {2x+1}}$$false
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Answer : 3. "$$ {(1+x)(2-x)\over {2x-1}}$$"
Q: यदि a + a2+a3-1=0, है तो a3 +(1/a) का मान होगा—
952 0601a53c1552e5f41f7b07e71
601a53c1552e5f41f7b07e71- 11false
- 24false
- 32true
- 43false
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Answer : 3. "2"
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