Let {{MATH_1}}. Compute: {{MATH_2}} {{CMD_3}} {{CMD_4}} Let {{MATH_5}}. Compute: {{MATH_6}} {{CMD_7}} {{CMD_8}} Let {{MATH_9}}. Compute: {{MATH_10}} {{CMD_11}} {{CMD_12}} Let {{MATH_13}}. Compute: {{MATH_14}} {{CMD_15}} {{CMD_16}}