" 4."1" .Interpret the result."

Prepare the turth table for the statement pattern (pvvq)^^[~(pvvq)] . Interpret the result.

Construct the truth table for the statement pattern (pvvq)^^(pvvr) . Interpret the result.

Construct the truth table for the statement pto[qto(p^^q)] pto[qto(p^^q)] . Interpret the result.

Find out Pearson's coefficient correlation between the following X and Y series using the deviation scores from their respective arithmetic mean. Interpret the results.

Find value of abs{:(1, - 1, 2),(-2, 3, 5),(-2, 0 , -1):} by expanding along 3rd column and Interprete the result.

If veca+vecb+vecc=0 , then show that vecaxxvecbxxvecc=veccxxveca . Interpret the result geometrically.

If veca+vecb+vecc=vec0 show that vecaxxvecb=vecbxxvecc=veccxxveca . Interpret the result geometrically.

If veca+vecb+vecc=vec0 , show that vecaxxvecb=veccxxveca . Interpret the result geometrically.

If the position vectors of three points A, B and Care respectively veci+vecj+3veck , 4veci+vecj+5veck and 7(veci+veck) . Find vec(AB)xxvec(AC) .. Interpret the result geometrically.