Question

write some formula of algebric for class 7​

Answer 1

$some \: \: algebric \: \: formulas \: \: are \: \:$

i)

${(x + y)}^{2} = {x}^{2} + {y}^{2} + 2xy$

ii)

${(x - y)}^{2} = {x}^{2} + {y}^{2} - 2xy$

iii)

${x}^{2} - {y}^{2} = (x + y)(x - y)$

iv)

${(x + y + z)}^{2} = {x}^{2} + {y}^{2} + {z}^{2} + 2xy + 2yz + 2zx$

v)

${x}^{2} + {y}^{2} = {(x + y)}^{2} - 2xy$

THESE FORMULAS ARE SUFFICIENT TILL 7TH STANDARD !

HOPE IT HELPS

MARK BRAINLIEST PLS

Answer 2

Answer:

see the answer in attachment