1
GATE ECE 2015 Set 1
Numerical
+2
-0
The maximum area (in square units) of a rectangle whose vertices lie on the ellipse $${x^2} + 4{y^2} = 1\,\,$$ is
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2
GATE ECE 2014 Set 4
MCQ (Single Correct Answer)
+2
-0.6
For a right angled triangle, if the sum of the lengths of the hypotenuse and a side is kept constant, in order to have maximum area of the triangle, the angle between the hypotenuse and the side is
A
$${12^ \circ }$$
B
$${36^ \circ }$$
C
$${60^ \circ }$$
D
$${45^ \circ }$$
3
GATE ECE 2014 Set 3
Numerical
+2
-0
The maximum value of $$f\left( x \right) = 2{x^3} - 9{x^2} + 12x - 3$$
in the interval $$\,0 \le x \le 3$$ is __________.
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4
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+2
-0.6
The Taylor series expansion of $$3$$ $$sin$$ $$x$$ $$+2cos$$ $$x$$ is
A
$$2 + 3x - {x^2} - {{{x^3}} \over 2} + - - - $$
B
$$2 - 3x + {x^2} - {{{x^3}} \over 2} + - - - $$
C
$$2 + 3x + {x^2} + {{{x^3}} \over 2} + - - - $$
D
$$2 - 3x - {x^2} + {{{x^3}} \over 2} + - - - $$
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