Page 65 - Bangladesh_classwiz_BOOK2018_rev_Neat

Abykxjbx-4

1| Solve e¨envi K‡i mgvavb Ki-

5 4 2
(i) − = −
7 5 5 7
7 3 2 4
(ii) + = −
3 5 5 3
2| Table mode e¨envi K‡i mgvavb Ki-

(i) ( − 1)( + 2) = ( + 4)( − 2)
1 1 2
(ii) + =
+1 −1
3| CALC e¨envi K‡i mgvavb Ki-

(i) 6 +1 − 2 −4 = 2 −1
15 7 −1 5
(ii) −2 + 6( −2) = 1
+2 −6
4| Equation/Function mode e¨envi K‡i mgvavb Ki-

2
(i) 2 ( + 3) = 2 + 12
(ii) ( + 2)( − √3) = 0

60