The value of(–2)2×3-1 is
32
64
-32
-64
Find the value of(–2)2×3-1:
-22×3-1=-26-1=-25∴-22×3-1=-32
∴Hence, the correct option is C.
Observe the patterns and fill in the blanks:
63×10=63×1×10=630×1
63×20=63×2×10=630×2
63×30=63×3×10=630×3
63×40=63×4×10=_____________________
63×50=63×5×10=_____________________
in an Arithematic progression,if 8thterm is 2times of its 4th term,and 10th term is 30 then,write yhe series