Why you factorise in Ex. 7.5,6
Question
Find the perimeter of the figure in which a semicircle is drawn on BC as diameter.
In the expansion of (1 + x)25, the coefficients of the (2r+1)th and (r+5)th terms are equal; find r.
find the equation of line passing through (at1^2,2at1),and (at2^2,2at2)
Is it possible to enter the data for gstrn1 for September and save it now and file it whenever the time would be mentioned? Can we edit it later after saving it?
Find the equation of the straight line that passes through (-3,4) and cuts off positive intercepts on the co-ordinate axes whose sum is 7.
prove that equal chords of a circle subtend equal angles at the centre