Question

Jika diket a = 1 ,b = -1 dan C = 2 maka nilai dari 2 ab + bc - 3,ac ^ 2 adalah.. tolong bantu soalnya gl dapet2

Answer 1

Verified answer

2ab + bc - 3
= b ( 2a + c ) - 3
= - 1 ( 2.1 + 2 ) - 3
= - 1 ( 4 ) - 3
= - 4 - 3
= - 7

ac²
= 1 . ( 2)²
= 1 . 4
= 4