\(\left( {x + \frac{1}{x}} \right)\left( {x - \frac{1}{x}} \right)\left( {{x^2} + \frac{1}{{{x^2}}} - 1} \right)\left( {{x^2} + \frac{1}{{{x^2}}} + 1} \right)\) is equal to ?
\({x^6} - \frac{1}{{{x^6}}}\)
\({x^8} - \frac{1}{{{x^8}}}\)
\({x^6} + \frac{1}{{{x^6}}}\)
\({x^8} + \frac{1}{{{x^8}}}\)
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1
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\(\frac{{{{\left( {a - b} \right)}^2} - {{\left( {a + b} \right)}^2}}}{{ - 4a}}{ \text{ = }}\frac{x}{y}\) On simplifying the given equations, which of the following equations will be obtained ?
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2
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If \(\frac{p}{a} + \frac{q}{b} + \frac{r}{c} = 1\) and \(\frac{a}{p} + \frac{b}{q} + \frac{c}{r} = 0\) where a, b, c, p, q, r are non-zero real numbers, then \(\frac{{{p^2}}}{{{a^2}}} + \frac{{{q^2}}}{{{b^2}}} + \frac{{{r^2}}}{{{c^2}}}\) is equal to = ?
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3
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(36.14)^2 – (21.28)^2 =?
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4
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The simplification of \(\left( {\frac{{75983 \times 75983 - 45983 \times 45983}}{{30000}}} \right)\)yields the result = ?
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5
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\({ \text{If }}\left( {{n^r} - tn + \frac{1}{4}} \right)\) be a perfect square, then the values of t are = ?
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6
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If \(\root 3 \of {{3^n}} { \text{ = 27,}}\) then the value of n is = ?
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7
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\(4\frac{4}{5} \div 6\frac{2}{5} = ?\)
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8
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If x = a + m, y = b + m, z = c + m, then the value of \(\frac{{{x^2} + {y^2} + {z^2} - yz - zx - xy}}{{{a^2} + {b^2} + {c^2} - ab - bc - ca}}\) is = ?
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9
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If x + y + z = 0, then x3 + y3 + z3 + 3xyz is equal to = ?
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10
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Number of digits in the square root of 62478078 is = ?
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