Question

Find the square root 9x²-24xy+30xz-40yz+25z²+16y2​

Answer 1

$\sf \implies {9 {x}^{2} + 16 {y}^{2} + 25 {z}^{2} + 24xy + 40yz + 30xz }</p><p>$

using formula:

$\sf \longrightarrow{ {(a + b + c)}^{2} = {a}^{2} + {b}^{2} + {c}^{2} + 2ab + 2bc+ 2ac }$

now , evaluating

$\sf\implies {9 {x}^{2} + 16 {y}^{2} + 25 {z}^{2} + 24xy + 40yz + 30xz }$

$\sf\implies{ {(3x)}^{2} + {(4y)}^{2} + {(5z)}^{2} +2.3x.4y + 2.4y.5z + 2.3x.5z }$

$\sf\implies{ {(3x + 4y + 5z)}^{2} }$

$\sf\implies{ | \: 3x + 4y + 5z\: | }$

Answer 2

hope this is useful add me in brainliest answer