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Short tricks to find factorial

 

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Find the ratio in which the linesegments jioning the points(-3,10)and(6,-8)is divided by (-1,6)

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The centre of a circle lies in________ of the circle. (exterior/ interior) (ii) A point, whose distance from the centre of a circle is greater than its radius lies in _______ of the circle. (exterior/ interior) (iii) The longest chord of a circle is a ___________ of the circle. (iv) An arc is a ___________ - when its ends are the ends of a diameter. (v) Segment of a circle is the region between an arc and ___________ of the circle. (vi) A circle divides the plane, on which it lies, in ___________ parts. 2. Write True or False: Give reasons for your answers. (i) Line segment joining the centre to any point on the circle is a radius of the circle. (ii) A circle has only finite number of equal chords. (iii) If a circle is divided into three equal arcs, each is a major arc. (iv) A chord of a circle, which is twice as long as its radius, is a diameter of the circle. (v) Sector is the region between the chord and its corresponding arc. (vi) A circle is a plane figure.

An arc is _when it's ends are at the ends of a diameter

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Solve the homogenous equation (x^2+2xy+4y^2)dx=(x^2-8xy+4y^2)dy

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If tangent to the curve y square+3x-7=0 at the point (h,k) is parallel to the line x-y=4, then find the value of k

Maths

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construct a triangle of side 5cm 6cm and 7cm then construct a triangle similar to it whose sides are 2/3 of the corresponding sides of the first teiangle

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find a€r such that z=-i is a root for the polynomial p(z)=z³-z²+z+1+ a. furthermore,