جواب:
# 9 = 4r ^ 2cos ^ 2 (theta) -4r ^ 2sinthetacostheta + r ^ 2sin ^ 2 (theta) -5rsintheta + 3rcostheta = r (sintheta (r (sintheta-4costheta) -5) + costheta (4rcostheta + 3)) #
وضاحت:
# x = rcostheta #
# y = rsintheta #
# 9 = (- 2 (راسموٹا) + حوالہ جات) ^ 2-5 بجے + 3 بجے پوسٹ #
# 9 = 4r ^ 2cos ^ 2 (theta) -4r ^ 2sinthetacostheta + r ^ 2sin ^ 2 (theta) -5rsintheta + 3rcostheta #
# 9 = r (sintheta (r (sintheta-4costheta) -5) + costheta (4rcostheta + 3)) #