Algebra Question with answer Practice Question and Answer
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Q: If 5√x + 12√x = 13√x, then x is equal to:
1309 05f1e9a361b4d8003eeb16c7f
5f1e9a361b4d8003eeb16c7f- 19false
- 216false
- 3$${25\over4}$$false
- 44true
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Answer : 4. "4"
Q: $$ {a^2-b^2-2bc-c^2}\over{a^2+b^2+2ab-c^2}$$ is equal to
1306 05efeae6a9bfe193cd14b72c3
5efeae6a9bfe193cd14b72c3- 1$$ {a-b-c}\over{a+b-c}$$true
- 2$$ {a-b+c}\over{a+b-c}$$false
- 3$$ {a-b-c}\over{a+b+c}$$false
- 4$$ {a-b-c}\over{a+b-c}$$false
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Answer : 1. "$$ {a-b-c}\over{a+b-c}$$"
Q: If xy(x+y)=1, then $$ {1\over x^3 y^3}-{x^3-y^3}$$ is equal to-
1300 05efeaecc7228dd6b06e748b8
5efeaecc7228dd6b06e748b8- 10false
- 21false
- 33true
- 4-2false
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Answer : 3. "3"
Q: If $$ {x+{1\over x}}=2$$ then find out the value of $${2x^2+2}\over{3x^2+5x+3}$$
1294 05f3f90d59ab97f7febf662ee
5f3f90d59ab97f7febf662ee- 1$${4\over 11}$$true
- 2$${5\over 11}$$false
- 3$${7\over 5}$$false
- 4$${4\over 9}$$false
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Answer : 1. "$${4\over 11}$$"
Q: If (27x3 – 343y3) ÷ (3x – 7y) = Ax2 +By2 + 7Cyx, then the value of (4A – B +5C) is:
1293 06007ec621187ab386914a938
6007ec621187ab386914a938- 11false
- 23false
- 32true
- 40false
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Answer : 3. "2"
Q: If $$x=(\sqrt2+1)^{1\over3} $$, the value of $$(x^3-{1\over {x^3}}) $$ is
1291 05dccd83ef348e931548eeddb
5dccd83ef348e931548eeddb- 10false
- 2$$-\sqrt { 2} \ $$false
- 32true
- 4$$3\sqrt { 2} \ $$false
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Answer : 3. "2"
Q: simplify the following equation
$$ (1-{1\over3})(1-{1\over4})(1-{1\over5})......(1-{1\over n})$$
1285 05ec4a7b2980ff60a66c0683d
5ec4a7b2980ff60a66c0683d$$ (1-{1\over3})(1-{1\over4})(1-{1\over5})......(1-{1\over n})$$
- 1$$ 1\over{n}$$false
- 2$$ 2\over{n}$$true
- 3$$ 2(n-1)\over{n}$$false
- 4$$ 2\over{n(n+1)}$$false
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Answer : 2. "$$ 2\over{n}$$"
Q: if $$x-{1\over 5},x≠0,$$ then what is the value of $${x^6+3x^3-1}\over x^6-8x^3-1$$=?
1284 064c76a3f29beb3482a4644bb
64c76a3f29beb3482a4644bb- 1$$3\over 8$$false
- 2$$13\over 12$$true
- 3$$4\over 9$$false
- 4$$11\over 13$$false
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Answer : 2. "$$13\over 12$$"
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