![If A = 1 2|2 1.B = 2 0|1 3 and C = 1 1|2 3 calculate AC, BC and (A + B)C . Also verify that (A + B)C = AC + BC. If A = 1 2|2 1.B = 2 0|1 3 and C = 1 1|2 3 calculate AC, BC and (A + B)C . Also verify that (A + B)C = AC + BC.](https://i.ytimg.com/vi/MENnx9ohD2Q/maxresdefault.jpg)
If A = 1 2|2 1.B = 2 0|1 3 and C = 1 1|2 3 calculate AC, BC and (A + B)C . Also verify that (A + B)C = AC + BC.
Prove that |(-a^2,ab,ac),(ab,-b^2,bc),(ac,bc,-c^2)| = 4a^2b^2c^2. - Sarthaks eConnect | Largest Online Education Community
![ABC is an isosceles triangle in which AC BC AD and BE are respectively two altitudes to sides BC and... ABC is an isosceles triangle in which AC BC AD and BE are respectively two altitudes to sides BC and...](https://d39460vivz6red.cloudfront.net/questions/m-bb-ncertexemplar9-chp7-ex4-q9/images/1_1599029542931.png)
ABC is an isosceles triangle in which AC BC AD and BE are respectively two altitudes to sides BC and...
![ABC is an isosceles triangle in which AC = BC AD and BE are respectively two altitudes of side BC and AC . Prove that AE = BD . ABC is an isosceles triangle in which AC = BC AD and BE are respectively two altitudes of side BC and AC . Prove that AE = BD .](https://haygot.s3.amazonaws.com/questions/1170572_1125799_ans_94dcb5b867dd42d5b6ecf97d06b66a5b.jpg)