যদি x=2 এবং y=-3 হয়, তবে y2-{x-(y+1/2)}-2.3=?
Created: 6 years ago |
Updated: 3 years ago
best des
y2 - { x - ( y + 1/2) } - 2 × 3
= ( - 3)2 - { 2 - ( - 3 + 1/2)} - 2 × 3
= 9 - { 2 - ( - 6 + 1)/2 } - 6
= 9 - { 2 + 5/2} - 6
= 9 - { 4 + 5/2} - 6
= 18 - 9 - 12/2
= 18 - 21 /2
= - 3/2
Md Azizur Rahman
Founder of Satt
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