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141) w(x, t) = ln 2cxt A) No B) Yes 142) w(x,

Question : 141) w(x, t) = ln 2cxt A) No B) Yes 142) w(x, : 1757195

141) w(x, t) = ln 2cxt

A) No B) Yes

142) w(x, t) = cos (3ct) sin (3x)

A) Yes B) No

143) w(x, t) = ex - ct

A) No B) Yes

144) w(x, t) = cos (10t - 10cx), c 1

A) Yes B) No

145) w(x, t) = e-3ct cos -3x

A) No B) Yes

146) f(x, y) = x2/y

A) No B) Yes

147) f(x, y) = cos(x) sin(-y)

A) Yes B) No

148) f(x, y) = e-2ysin -2x

A) No B) Yes

149) f(x, y, z) = 3x + 4y3z2

A) Yes B) No

150) f(x, y, z) = 10x2 - 5y2 - 5z2

A) Yes B) No

Solution
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Mathematics 3 Years Ago 50 Views
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