English, asked by thakurgauri1310, 6 months ago

प्रश्न—यदिx+y+7= 12 और x +y + x = 64 तो xy+yz +zx का मान
ज्ञात कीजिए।

Answers

Answered by sunnykumar102022
0

Answer:

x+y=12-7

x+y=5

x=5-y

x का मुल्य समीकरण 2 में भरो

x+y+x=64

2x+y=64

2(5-y)+y=64

10-2y+y=64

-y=64-10

-y=54

-54=y

yका मुल्यx=5-y में भरे

x=5-(-54)

=5+54

x=59

NOW

xy+yz+zx

=59*(-54)+(-54)z+z*59

= -3186-54z+59z

3186=5z

3186/5=z

is it your answer

Similar questions