If x/y alphax+y and y/x alpha x-y, then ...

If `x/y alphax+y` and `y/x alpha x-y`, then show that `x^2-y^2`= constant.

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UNITED BOOK HOUSE-BIDHANNAGAR GOVT, HIGH SCHOOL-EXERCISE

If a two digit positive number is multiplied by its unit digit, then t...
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If x= sqrt3+sqrt2 ,find the value of x^3-1/x^3.
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If x/y alphax+y and y/x alpha x-y, then show that x^2-y^2= constant.
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If 1/(b+c)+1/(c+a) = 2/(a+b) , show that a^2+b^2=2c^2,
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If a+b+c= 0 prove that 1/(2a^2+bc)+1/(2b^2+ca)+1/(2c^2+ab)=0
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State and Prove Pythagoras theorem.
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If two tangents are drawn to a circle from a point outside it, them th...
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O is the centre of a centre having diameter AB. P is any point on the ...
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AB and CD are two chords of a cricle. Extended BA and CD intersect at ...
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Draw the mean proportional of line segments of lengths 4 cm and 3 cm.
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use bal to draw the circumcircle of a right angled triangle having the...
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Find the value of 4/3 cot^2 30^@+2 sin^2 60^@-2cosec^2 60^@-3/4 tan^2 ...
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Prove that tan 7^@ tan23^@ tan60^@tan67^@tan83^@ = sqrt3.
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The length of shadow of a tower standing on the ground is found to be...
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Find the number of zeros at the end of 100! ?
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Answer any two questions : Determine the volume of a solid right circu...
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If two circles of radii 7 cm and 3 cm touch each other extermally, the...
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If the glass of tubelight is 105 cm long and external circumference is...
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Find the median of the following frequency distribution table.
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