Question: 2.1 2.2 7xy-11 is an arithmetic sequence. Determine the values of x and y. Given the quadratic number pattern: -3; 6; 27 ; 60;

2.1 2.2 7xy-11 is an arithmetic sequence. Determine the values of x

2.1 2.2 7xy-11 is an arithmetic sequence. Determine the values of x and y. Given the quadratic number pattern: -3; 6; 27 ; 60; ... (4 2.2.1 Determine the general term of the pattern in the form T, = an+bn+c. (4 2.2.2 Calculate the value of the 50 term of the pattern. (2 2.2.3 Show that the sum of the first n first-differences of this pattern can be given by S-6n+3n.

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