Teaching AWES Army Public School TGT Mock Test 2024 Mathematics Statistics Correlation and Regression
Let x + 2y + 1 = 0 and 2x + 3y + 4 = 0 are two lines of regression computed from some bivariate data. If θ is the acute angle between them, then what is the value of 488 tan3θ ?
1
191
2
161
3
131
4
121