The value of la-1)+q? --- 2 4210 )
when a = 2 and b= -1 is

Answer:
-1
Step-by-step explanation:
2−1+ (22−(−1)²) / (1−(2)(−1))
+2(2−(−1)) / (2)(−1)
22−(−1)2 / 1−(2)(−1)
+2(2−(−1)) / (2)(−1)
= -1