If A=⎡⎢⎣123045001⎤⎥⎦, then det (A−1) is ________. (correct to two decimal places)
|A| =∣∣ ∣∣123045001∣∣ ∣∣=1×4×1=4 Now det(A−1)=1det(A)=1|A|=14 =0.25
Find the square root of :
(i) 245 correct to two places of decimal.
(ii) 496 correct to three places of decimal.
(iii) 82.6 correct to two places of decimal.
(iv) 0.065 correct to three places of decimal.
(v) 5.2005 correct to two places of decimal.
(vi) 0.602 correct to two places of decimal.