Question

write any 5 mathematical identities

Answer 1

x+y whole square= x square+2xy+ysquare
x+y whole cube=x cube+3 x square y+3 x y square+y cube
(x+y)(x-y)=x square+y square
(x+y)(x+y)=x+y whole square
x-y whole square=x square-2 x y+y square

Answer 2

HEY FRIEND ✋✋

( a + b ) ² = a² + 2ab + b²

( a - b ) ² = a² - 2ab + b²

( a + b ) ( a - b ) = a² - b²

( a + b ) ³ = a³ + b³ + 3ab ( a + b )

Trigonometric identities :

Sin²ø + Cos²ø = 1

1 + tan²ø = sec²ø

1 + cot²ø = cosec²ø

Hope it helps