Question

B. The value of x2 - 2yx + y2 when x = 0,
y = 1 is
17​

Answer 1

Answer:

ANSWER

⇒(y

2

−x)

dx

dy

=1

⇒

dy

dx

+x=y

2

I.F=e

∫I.dy

=e

y

⇒x.e

y

=∫

I

y

2

.

II

e

y

dy

⇒x.e

y

=y

2

.e

y

−∫

I

2y

.

II

e

y

dy

⇒x.e

y

=y

2

.e

y

−2[y.e

y

−e

y

]+c

⇒x=y

2

−2y+2+c.e

−y

___(1)

put x=0;y=1

0=1−2+2+

e

c

⇒c=−e

put y=0

x=0−0+2+(−e)(e

−0

)

⇒x=2−e

hope it's helpful

Answer 2

Answer:

$0 \times 2 - 2 \times 1 \times 0 + 1 \times 2 \\ = 0 - 0 + 2 \\ = 2$