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ee age, , , , 302, , 120 x17-y #700, y = 2040 - 700, , y = 1340, t the rate of @ 17 L., , .point of a line segment between, ax, , =, =>, , He will sell weekly 1340 L milk a’, , P(a, bi is the mid, , Question 18., the line is Ze 222,, ab, , Show that the equation of, , Ww Use intercept form of a line Is* + = 1,, a, , Solution Let equation or line ABis, i ey y =1 ,, hk «fi, where, h and k are the intercepts made by the line on X-axis and Y., , respectively., , , , y!.., Mid-point of AB = EX. uty). hto OF, Te Oe ee =), “: P(@.b)is the mid-point of ABie, (1 = By 1 =0, Xp =0, yo =H), h+0 O+k, , tea and O+k_,, , 2, =>), h=2a and, On putting the values of h k=2b, and k in Eq. (i), w, ee epee, 2a 2b oo eee, , Hence proved., , Question 19. Point R(A, ) di, id, _ ratio 1 ; 2. Find equation of es eva hne-Regment be, , whe, , 588 Use intercept form of a line + ¥ = |, ne ; + r aay simplify it,, , tween the axes in the, , Solution Let equation of line ABis, , iY,, eo : tee, Leta point R (h, k) divide line ABin the ratio 1:2, © a), , Cod, , , , Scanned with CamScanner