![A triangle is constructed using the wires AB,BC,AC of same material and of resistance a,2a,3a respectively Another wire of - Physics - Current Electricity - 11486965 | Meritnation.com A triangle is constructed using the wires AB,BC,AC of same material and of resistance a,2a,3a respectively Another wire of - Physics - Current Electricity - 11486965 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_59d7bd3b2f9ed.jpg)
A triangle is constructed using the wires AB,BC,AC of same material and of resistance a,2a,3a respectively Another wire of - Physics - Current Electricity - 11486965 | Meritnation.com
![Using properties of determinant, prove that: 3a - a + b - a + c | - b + a 3b - b + c | - c + a - c + b 3c = 3(a + b + c)(ab + bc + ca) Using properties of determinant, prove that: 3a - a + b - a + c | - b + a 3b - b + c | - c + a - c + b 3c = 3(a + b + c)(ab + bc + ca)](https://dwes9vv9u0550.cloudfront.net/images/2033935/f126a97c-ae30-42d3-9fd1-2148c4e53a1c.jpg)
Using properties of determinant, prove that: 3a - a + b - a + c | - b + a 3b - b + c | - c + a - c + b 3c = 3(a + b + c)(ab + bc + ca)
![inequality - Prove that $(\frac{bc+ac+ab}{a+b+c})^{a+b+c} \geq \sqrt{(bc)^a( ac)^b(ab)^c}$ - Mathematics Stack Exchange inequality - Prove that $(\frac{bc+ac+ab}{a+b+c})^{a+b+c} \geq \sqrt{(bc)^a( ac)^b(ab)^c}$ - Mathematics Stack Exchange](https://i.stack.imgur.com/7VVVL.jpg)
inequality - Prove that $(\frac{bc+ac+ab}{a+b+c})^{a+b+c} \geq \sqrt{(bc)^a( ac)^b(ab)^c}$ - Mathematics Stack Exchange
![Using Properties of Determinants, Prove That: `|(3a, -a+B, -a+C),(-b+A, 3b, -b+C),(-c+A, -c+B, 3c)|`= 3(A + B + C) (Ab + Bc + Ca) - Mathematics | Shaalaa.com Using Properties of Determinants, Prove That: `|(3a, -a+B, -a+C),(-b+A, 3b, -b+C),(-c+A, -c+B, 3c)|`= 3(A + B + C) (Ab + Bc + Ca) - Mathematics | Shaalaa.com](https://www.shaalaa.com/images/_4:c13d398261154ec3ad1c130cf2ec67a0.png)
Using Properties of Determinants, Prove That: `|(3a, -a+B, -a+C),(-b+A, 3b, -b+C),(-c+A, -c+B, 3c)|`= 3(A + B + C) (Ab + Bc + Ca) - Mathematics | Shaalaa.com
![If AB = BC, AC = 12 cm and the area of ΔBEC is 72 cm2, then find the area of the parallelogram ACEF. If AB = BC, AC = 12 cm and the area of ΔBEC is 72 cm2, then find the area of the parallelogram ACEF.](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1530765/original_Grade_8_Maths_BCE_V2-5.jpg)