Please see the question 15 of EX 9.4 chapter 9
You using by part formula
But you don't puted right
Please see
Question
Maths
Oct. 26, 2018, 9:32 p.m.
Answer
In an isosceles triangle ABC with AB= AC. The bisector of Angle B and angle C intersect each other at O join A to O. show that AB =AC.
Maths
Oct. 26, 2018, 7:58 p.m.
Answer
The sum of age of Anup and his father is 100 when anup is as old as his father now he will be he will be 5 times as old as his son Anup is now Anju will be 8 years older than Anup is now when Anup is old as his father what are their present ages
Maths
Oct. 26, 2018, 7:54 p.m.
Answer
In a triangle ABC ,ad is perpendicular bisector of BC.show that triangle ABC is an isosceles triangle in which ab=ac